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We performed an open controlled one-arm clinical trial to assess whether preoperative anxiety influences phenylephrine dosage required to maintain normotension during cesarean section under spinal anesthesia. Ninety-four parturients undergoing elective cesarean delivery under spinal anesthesia were included. Anxiety levels were measured using a verbal numerical scale anxiety score (0-1. Phenylephrine infusion to prevent hypotension was adjusted by a standard algorithm. The primary outcome was total phenylephrine dose. Linear uni- and